Why is the population so dense in the Northeast region of the Sahara desert?

In a short paragraph, describe your hometown in terms of its population and impact. do you live in a town or a city? is your home a higher-order or lower-order settlement? how does your hometown interact with other towns in its region? (houston)

Which soil layers comprise the topsoil? o horizon a horizon b horizon c horizon

What state makes the most money from tourism?